[OpenAFS] Re: cyrus with storage in afs?
Tue, 26 Jun 2007 15:13:58 -0400
On Jun 26, 2007, at 15:08, Derrick J Brashear wrote:
> On Tue, 26 Jun 2007, Robert Banz wrote:
>> I personally wouldn't want my mail storage on AFS. I say that
>> because, right now, it is, and I can't wait to get it off of it.
>> It's caused me nothing but problems, because the AFS fileserver
>> doesn't just seem to be "made" to handle the transactional
>> intensity of mail-land. We got around a lot of our performance
>> issues by moving from a berkeley-based mailspool to a maildir-like
>> one a couple years ago, but now are always coming up against
>> performance (leading into stability) issues caused by AFS being
>> part of the stack. Less things being part of the stack with your
>> mail system will make things better; run it on some quality fibre
>> or iscsi attached storage and you won't end up screaming in pain
>> later on.
> callback issues, or something else?
> i wouldn't expect corruption issues here, in spite of the question
> of whether *performance* sucks because you're imposing another
> network round trip (minimum) in an already-network protocol
No corruption problems (at least in a maildir-like environment), but
its mostly stuff caused by callback issues now. As in too many of